Spectacles with interchangeable lenses



June 3949. A. TALOBRE 73,619

SPECTACLES WITH INTERCHANGEABLE LENSES Filed Jan. 6, 1948 INVENTOR: ANDRE TALOBRE shown in-its closed position.

Patented June 21, 1949 I UNITED STATES PATENT FFICE SPECTACLES WITH INTERCHANGEABLE LENSES Andre Talobre, Oyonnax, France Application January In France Sep 8, 1948, Serial No. tember 18, 1947 ,1 Claim. (0]. 8847) This invention spectacles with lows the lenses at once and fastened in the with perfect safety by even a of the spectacles to be changed rings of the frame lay person.

rangement for holding the lens in place by joining together the edges of the opening or gap while the glasses are being used.

is Jointed the temples of the spectacle frame and the other takes the shape of a locking catch under which a corresponding part of the side of the spectacles fits for the purpose of ensuring the locking of the ring.

It is still another object of tion to provide split rings of slightly to the rear of the frame so as to ensure the locking of the ring even when the side is folded right back, while the unlocking of the ring is carried out then by a gentle forward push in profile and the side illustrated in its open position.

Fig. 4 is a view. similar to Fig. 3 with the side In the example illustrated in the drawing. each of the rings l of the frame shows a gap or opening 2 or which the edges may be spread apart merely by a gentle pull by reason of the flexible nature of the material of which the frame is made.

The edges of each opening 2 are formed"by an upper lug 3 and a lower one 4 each lug nected the sides Each side 5 carries The lower lug 4 slightly rear of the ring I, so that projects towards the is not restricted to the example disclosed and illustrated.

If necessary, other ways and means for appli cation of the invention may be adopted without unduly widening the scope of the invention as defined in accompanying claim. i

Structural details and methods of assembly working result.

Use may also be made, of course, of any method, any material and any supplies adapted for suitable application in t e manufacture of such types of spectacles. e What I claim is: l Spectacles adapted to receive interchangeable enses to the outer webs of the corresponding rings, two bosses rigid with each ring to either side 0! the pivoted end second boss on the corresponding ring for urging it against the first boss. said second bosses projecting slightly to the rear 0! the ring for ensuring the locking of the. ring over the lens through cooperation with the side for all positions of the side and the release of the lens through the opening of the slot being provided through a slight forward elastic thrust exerted on the corresponding ring.

ANDRE TALOBRE.

REFERENCES CITED The following references are 0! record in the file of this patent:

UNITED STATES PATENTS Number Number Name Date Peckham Dec. 13, 1853 Welsh Nov. 26, 1929 Baker July 18, 1933 Casavant June 6, 1944 FOREIGN PATENTS Country DOM France Apr. '1, 1942 

